#include <Servo.h>
#include <Arduino.h>
Servo servo1, servo2;
int pos1 = 0, pos2 = 0;

void setup(){
  servo1.attach(3);
  servo2.attach(2);
  servo1.write(pos1);
  servo2.write(pos1);
}
void loop(){
  for(pos1 = 0; pos1 <= 180; pos1 += 1){
    servo1.write(pos1);
    delay(10);
  }
  for(pos1 = 180; pos1 >= 0; pos1 -= 1){
    servo1.write(pos1);
    delay(10);
  }
  for(pos2 = 0; pos2 <= 180; pos2 += 1){
    servo2.write(pos2);
    delay(10);
  }
  for(pos2 = 180; pos2 >= 0; pos2 -= 1){
    servo2.write(pos2);
    delay(10);
  }
}